Inventor · disambiguated record
Per Krainer
Also filed as: KRAINER PER
5 granted patents·3 citations·filing 2009–2023
62Inventor score
Top patents by PatentIndex Score
5 records- 0158US12469636B2Tap changer arrangement and a transformer arrangement comprising the tap changer arrangementHITACHI ENERGY LTD·Filed 2023·Granted Nov 11, 2025·0 cites·13 claims
- 0247US11742157B2Contact bounce reduction systemHITACHI ENERGY SWITZERLAND AG·Filed 2021·Granted Aug 29, 2023·0 cites·12 claims
- 0344US8813870B2Arrangement and a method for monitoring an air flow in a drill rigJIAO DEYI·Filed 2009·Granted Aug 26, 2014·3 cites·5 claims
- 0439US12460679B2Shaft systemHITACHI ENERGY LTD·Filed 2021·Granted Nov 4, 2025·0 cites·17 claims
- 0538US9324493B2Actuator for a tap changerABB TECHNOLOGY LTD·Filed 2013·Granted Apr 26, 2016·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →